Mathematics
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qaphla

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 6 years
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  • Last seen May 8 '18 at 20:36

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Top posts (104) All Questions Answers | Votes Newest

17 Can we have $x\in A$ and $x\in A\times B$? Jul 17 '15
16 Are polynomials infinitely many times differentiable? Jun 29 '15
14 Reasoning that $ \sin2x=2 \sin x \cos x$ Aug 5 '13
13 How many 32 digit binary number combinations are possible? Aug 5 '13
8 Does a bijective map from $(-\pi/2,\pi/2)\to (0,1)$ exist? May 29 '16
7 After what interval in degrees or radians do sine, cosine and tangent values repeat? Aug 30 '13
7 Why there are irrational numbers? Jun 24 '14
6 How many 3-digit positive integers are odd and do not contain digit 5? Aug 29 '13
6 what fails in this proof of limits? Aug 7 '13
6 What is a “closed subspace” of a topological space? Aug 21 '14
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